black

#000000

#173BA6

#173BA6

Contrast Ratio

2.21:1

Delta E

73.8

Very Different

50:50 Mix

Color Values

Format #000000 #173BA6
HEX #000000 #173BA6
RGB 0, 0, 0 23, 59, 166
HSL 0.0, 0.0%, 0.0% 224.9, 75.7%, 37.1%
HSV 0.0, 0.0%, 0.0% 224.9, 86.1%, 65.1%
CMYK 0%, 0%, 0%, 100% 86.1%, 64.5%, 0.0%, 34.9%
OKLCH 0.0 0.0 0.0 0.4041 0.1766 264.8

Contrast & Accessibility

2.21:1
AA Fail AA Large Fail AAA Fail AAA Large Fail

Text Readability

The quick brown fox jumps over the lazy dog

Text: #173BA6 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #173BA6

Color Difference (Delta E)

73.8 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #173BA6);
background: linear-gradient(135deg, #000000, #173BA6);

Explore Each Color

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